An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Foucault ML, Depardieu F, Courvalin P, Grillot-Courvalin C.Foucault ML, et al. Among authors: courvalin p.Proc Natl Acad Sci U S A. 2010 Sep 28;107(39):16964-9. doi: 10.1073/pnas.1006855107. Epub 2010 Sep 10.Proc Natl Acad Sci U S A. 2010.PMID: 20833818Free PMC article.